From a4a81fbe4dd9a22f24a6f9196336fea75e1465af Mon Sep 17 00:00:00 2001
From: Kelvin Sherlock <ksherlock@gmail.com>
Date: Sat, 19 Jan 2019 21:23:46 -0500
Subject: [PATCH] add ifconfig

---
 ifconfig.c | 130 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 ifconfig.c

diff --git a/ifconfig.c b/ifconfig.c
new file mode 100644
index 0000000..b2a134f
--- /dev/null
+++ b/ifconfig.c
@@ -0,0 +1,130 @@
+#include <Locator.h>
+#include <tcpip.h>
+#include <TextTool.h>
+
+#include <string.h>
+
+
+/*
+ * ifconfig [ up | down | status ]
+ *
+ */
+
+
+/*
+ * callback by Marinetti to display a connect message
+ *
+ */
+void display(const char *pstr)
+{
+	WriteLine(pstr);
+}
+
+// todo - support flags
+// -s: be silent (ie - no output, return value only
+// -f: force disconnect
+//
+
+int main(int argc, char **argv)
+{
+LongWord address;
+char buffer[16];
+
+	if (argc != 2)
+	{
+		WriteCString("Usage: ifconfig [ up | down | status ]\n\r");
+		WriteCString("  up      Connects to network\n\r");
+		WriteCString("  down    Disconnects from network\n\r");
+		WriteCString("  status  Queries status\n\r");
+		exit(1);
+	}
+
+	if (!strcmp(argv[1], "up"))
+	{
+
+		TCPIPStatus();
+		if (_toolErr)
+		{
+			LoadOneTool(54, 0x0200);
+			if (_toolErr)
+			{
+				ErrWriteCString("Unable to load Marinetti\r\n");
+				exit(1);
+			}
+		}
+		// acedemic only - TCPStartup() just for show.
+		if (!TCPIPStatus())
+		{
+			TCPIPStartUp();    
+		}
+		if (TCPIPGetConnectStatus())
+		{
+			ErrWriteCString("Already connected to network\r\n");
+			exit(0);
+		}
+		TCPIPConnect(display);
+		if (_toolErr)
+		{
+			ErrWriteCString("Error connecting to network\r\n");
+			exit(1);
+		}	
+		WriteCString("Connected to network\r\n");
+		WriteCString("IP Address is: ");
+		address = TCPIPGetMyIPAddress();
+		TCPIPConvertIPToCASCII(address, buffer, 0);
+		WriteCString(buffer);
+		WriteCString("\r\n");
+		exit (0);
+	}
+
+	if (!strcmp(argv[1], "down"))
+	{
+		// if tool isn't loaded, we're already down...
+		TCPIPStatus();
+		if (_toolErr)
+		{
+			ErrWriteCString("Marinetti not loaded\r\n");
+			exit(0);
+		}
+		if (!TCPIPGetConnectStatus())
+                {
+			ErrWriteCString("Not connected to network\r\n");
+			exit(0);
+		}		
+		// todo - flag to force up & down
+                TCPIPDisconnect(true, display);
+
+		WriteCString("Disconnected from network\r\n");
+		//UnloadOneTool(54);
+		exit(0);
+	}
+
+	if (!strcmp(argv[1], "status"))	
+	{
+		// if tool isn't loaded, we're already down...
+		TCPIPStatus();
+		if (_toolErr)
+		{
+			WriteCString("Network is down\r\n");
+			exit(1);
+		}
+		if (!TCPIPGetConnectStatus())
+		{
+			WriteCString("Network is down\r\n");
+			exit(1);
+		}
+		WriteCString("Network is up\r\n");
+		
+		WriteCString("IP Address is: ");
+		address = TCPIPGetMyIPAddress();
+		TCPIPConvertIPToCASCII(address, buffer, 0);
+		WriteCString(buffer);
+		WriteCString("\r\n");
+		exit (0);
+	}
+
+	ErrWriteCString("illegal option -- ");
+	ErrWriteCString(argv[1]);
+	ErrWriteCString("\r\n");
+	exit (1);
+}